Upgrade to 1.12.0

Diff

1.11.0...f88530bc

Release notes

1.12.0 (2024-01-11)

Added (2 changes)

• Add a --base-issue-labels flag to add custom flags to flaky test issues (merge request)
• Add new GitLab clients and related specs (merge request)

Checklist

• Diff link is up-to-date.
• Check the release notes: https://gitlab.com/api/v4/projects/gitlab-org%2Fruby%2Fgems%2Fgitlab_quality-test_tooling/repository/changelog?version=1.12.0
• Based on the diff and the release notes, version.rb is updated, according to SemVer.